Home / 53,318.88-79,962.39-43,935.57

Finding the Fourth Proportional to 53,318.88, 79,962.39 and 43,935.57

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Solution

The fourth proportional to 53,318.88, 79,962.39 and 43,935.57 is: 65,890.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,318.88 : 79,962.39 = 43,935.57 : x
  2. Step 2: Convert to fraction form
    53,318.88/79,962.39 = 43,935.57/x
  3. Step 3: Cross multiply
    53,318.88x = 79,962.39 × 43,935.57
  4. Step 4: Simplify right side
    53,318.88x = 3,513,193,183.21
  5. Step 5: Solve for x
    x = 3,513,193,183.21/53,318.88
  6. Step 6: Final answer
    x = 65,890.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.